DS1803Z-050+ - English Editing Encyclopedia Entry

Product Overview

Category

The DS1803Z-050+ belongs to the category of electronic components.

Use

It is primarily used for controlling and adjusting analog signals in various electronic circuits.

Characteristics

• The DS1803Z-050+ is a digital potentiometer with 256 positions.
• It operates on a supply voltage range of 2.7V to 5.5V.
• The device offers low power consumption, making it suitable for battery-powered applications.
• It provides non-volatile memory storage for maintaining settings even when power is removed.
• The DS1803Z-050+ has a high resolution, allowing precise adjustment of analog signals.

Package

The DS1803Z-050+ is available in a compact surface-mount package.

Essence

The essence of the DS1803Z-050+ lies in its ability to replace traditional mechanical potentiometers with a digital alternative, offering greater precision and flexibility.

Packaging/Quantity

The DS1803Z-050+ is typically packaged in reels or tubes, with quantities varying based on customer requirements.

Specifications

• Resolution: 8 bits (256 positions)
• Supply Voltage Range: 2.7V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Total Resistance: 50 kΩ
• End-to-End Resistance Tolerance: ±20%
• Non-Volatile Memory: Yes
• Power Consumption: Low

Detailed Pin Configuration

The DS1803Z-050+ features a standard pin configuration:

1. VCC: Supply voltage input
2. GND: Ground reference
3. INC: Increment control input
4. UD: Up/Down control input
5. CS: Chip select input
6. W: Wiper output
7. A: Terminal A of the potentiometer
8. B: Terminal B of the potentiometer

Functional Features

• Digital control: The DS1803Z-050+ allows for digital adjustment of analog signals, eliminating the need for mechanical adjustments.
• Non-volatile memory: The device retains its settings even when power is removed, ensuring consistent performance upon power restoration.
• High resolution: With 256 positions, the DS1803Z-050+ offers precise control over analog signal levels.
• Low power consumption: The device operates with low power requirements, making it suitable for battery-powered applications.

Advantages and Disadvantages

Advantages

• Precise and accurate adjustment of analog signals
• Compact size and surface-mount package
• Non-volatile memory for retaining settings
• Low power consumption

Disadvantages

• Limited total resistance range (50 kΩ)
• End-to-end resistance tolerance of ±20%

Working Principles

The DS1803Z-050+ utilizes a combination of digital control and resistive elements to adjust analog signals. When the control inputs (INC and UD) are activated, the internal wiper position changes, altering the resistance between terminals A and B. This change in resistance modifies the output analog signal level accordingly.

Detailed Application Field Plans

The DS1803Z-050+ finds application in various electronic systems, including but not limited to: 1. Audio equipment: Volume control, tone adjustment 2. Industrial automation: Analog signal calibration, process control 3. Test and measurement instruments: Signal attenuation, gain adjustment 4. Consumer electronics: Display brightness control, contrast adjustment

Detailed and Complete Alternative Models

1. DS1802Z-050+: Similar to DS1803Z-050+, but with a different pin configuration.
2. MCP4131-502E/P: Digital potentiometer with similar specifications and features.
3. MAX5486EUD+: High-resolution digital potentiometer with extended temperature range.

These alternative models offer comparable functionality to the DS1803Z-050+ and can be considered as suitable replacements based on specific application requirements.

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